The impact of local surface changes in Borneo on atmospheric composition at wider spatial scales: coastal processes, land-use change and air quality
Pyle, J.A.; Warwick, N.J.; Harris, N.R.P.; Abas, Mohd Radzi; Archibald, A.T.; Ashfold, M.J.; Ashworth, K.; Barkley, Michael P.; Carver, G.D.; Chance, K.; Dorsey, J.R.; Fowler, D.; Gonzi, S.; Gostlow, B.; Hewitt, C.N.; Kurosu, T.P.; Lee, J.D.; Langford, S.B. 
ORCID: https://orcid.org/0000-0002-6968-5197; Mills, G.; Moller, S.; MacKenzie, A.R.; Manning, A.J.; Misztal, P.; Nadzir, Mohd Shahrul Mohd; Nemitz, E. ORCID: https://orcid.org/0000-0002-1765-6298; Newton, H.M.; O'Brien, L.M.; Ong, Simon; Oram, D.; Palmer, P.I.; Peng, Leong Kok; Phang, Siew Moi; Pike, R.; Pugh, T.A.M.; Rahman, Noorsaadah Abdul; Robinson, A.D.; Sentian, J.; Samah, Azizan Abu; Skiba, U. ORCID: https://orcid.org/0000-0001-8659-6092; Ung, Huan Eng; Yong, Sei Eng; Young, P.J..
2011
The impact of local surface changes in Borneo on atmospheric composition at wider spatial scales: coastal processes, land-use change and air quality.
Philosophical Transactions of the Royal Society (B), 366 (1582).
3210-3224.
10.1098/rstb.2011.0060
Abstract/Summary
We present results fromtheOP3 campaign in Sabah during 2008 that allowus to study the impact of local emission changes over Borneo on atmospheric composition at the regional andwider scale. OP3 constituent data provide an important constraint onmodel performance.Treatment of boundary layer processes is highlighted as an important area of model uncertainty.Model studies of land-use change confirm earlier work, indicating that further changes to intensive oil palm agriculture in South EastAsia, and the tropics in general, could have important impacts on air quality, with the biggest factor being the concomitant changes in NOx emissions. With the model scenarios used here, local increases in ozone of around 50 per cent could occur. We also report measurements of short-lived brominated compounds around Sabah suggesting that oceanic (and, especially, coastal) emission sources dominate locally. The concentration of bromine in short-lived halocarbons measured at the surface during OP3 amounted to about 7 ppt, setting an upper limit on the amount of these species that can reach the lower stratosphere.
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